diff --git a/libdiscover/backends/KNSBackend/KNSBackend.cpp b/libdiscover/backends/KNSBackend/KNSBackend.cpp
--- a/libdiscover/backends/KNSBackend/KNSBackend.cpp
+++ b/libdiscover/backends/KNSBackend/KNSBackend.cpp
@@ -118,7 +118,7 @@
         this->setFetching(false);
         qWarning() << "kns error" << objectName() << error;
     });
-    connect(m_engine, &KNSCore::Engine::signalEntriesLoaded, this, &KNSBackend::receivedEntries);
+    connect(m_engine, &KNSCore::Engine::signalEntriesLoaded, this, &KNSBackend::receivedEntries, Qt::QueuedConnection);
     connect(m_engine, &KNSCore::Engine::signalEntryChanged, this, &KNSBackend::statusChanged);
     connect(m_engine, &KNSCore::Engine::signalEntryDetailsLoaded, this, &KNSBackend::statusChanged);
     m_page = -1;
@@ -332,7 +332,7 @@
         connect(this, &KNSBackend::startingSearch, stream, &ResultsStream::deleteLater);
     };
     if (m_responsePending) {
-        connect(this, &KNSBackend::availableForQueries, stream, start);
+        connect(this, &KNSBackend::availableForQueries, stream, start, Qt::QueuedConnection);
     } else {
         start();
     }
diff --git a/libdiscover/backends/PackageKitBackend/PackageKitBackend.cpp b/libdiscover/backends/PackageKitBackend/PackageKitBackend.cpp
--- a/libdiscover/backends/PackageKitBackend/PackageKitBackend.cpp
+++ b/libdiscover/backends/PackageKitBackend/PackageKitBackend.cpp
@@ -419,7 +419,7 @@
                 stream->resourcesFound(kFilter<QVector<AbstractResource*>>(res, [ids](AbstractResource* res){ return !ids.contains(res->appstreamId()); }));
             }
             stream->deleteLater();
-        });
+        }, Qt::QueuedConnection);
         return stream;
     }
 }